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$326+ Cheap flights from Oakland, CA (OAK) to Barcelona

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BCN
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Oakland to Barcelona

Cheapest flights from Oakland to Barcelona
Explore the most affordable flight options available from Oakland to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This American Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:15 pm
OAK
-
BCN
2 stops19h 25m
Multiple Airlines
Tue 9/2910:30 am
BCN
-
OAK
2 stops19h 58m
Multiple Airlines
Deal found 7/26$713
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:00 pm
OAK
-
BCN
2 stops33h 10m
Delta
Fri 10/161:20 pm
BCN
-
OAK
2 stops19h 36m
Delta
Deal found 7/24$716
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am
OAK
-
BCN
2 stops23h 50m
Delta
Thu 10/156:20 am
BCN
-
OAK
2 stops26h 36m
Delta
Deal found 7/24$720
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:00 pm
OAK
-
BCN
2 stops33h 10m
Delta
Mon 9/2811:10 am
BCN
-
OAK
2 stops38h 10m
Delta
Deal found 7/21$721
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:55 am
OAK
-
BCN
2 stops21h 45m
Multiple Airlines
Wed 10/149:20 pm
BCN
-
OAK
2 stops30h 34m
Multiple Airlines
Deal found 7/21$724
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:29 pm
OAK
-
BCN
2 stops36h 46m
Delta
Fri 10/161:20 pm
BCN
-
OAK
2 stops19h 36m
Delta
Deal found 7/22$725
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:29 pm
OAK
-
BCN
2 stops35h 06m
Delta
Wed 10/141:20 pm
BCN
-
OAK
2 stops19h 36m
Delta
Deal found 7/24$727
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:05 pm
OAK
-
BCN
2 stops34h 10m
Delta
Wed 11/251:10 pm
BCN
-
OAK
2 stops36h 22m
Delta
Deal found 7/23$730
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:39 pm
OAK
-
BCN
2 stops34h 56m
Delta
Thu 10/156:20 am
BCN
-
OAK
2 stops26h 36m
Delta
Deal found 7/24$731
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am
OAK
-
BCN
2 stops41h 35m
Delta
Tue 10/131:25 pm
BCN
-
OAK
2 stops35h 58m
Delta
Deal found 7/21$732
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 pm
OAK
-
BCN
2 stops33h 10m
Delta
Wed 10/141:20 pm
BCN
-
OAK
2 stops19h 36m
Delta
Deal found 7/24$766
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am
OAK
-
BCN
2 stops23h 50m
Delta
Sun 11/81:10 pm
BCN
-
OAK
2 stops43h 45m
Delta
Deal found 7/25$770

Find flight deals from Oakland to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 26, 2026.

Round-trip from

$702
(Delta)

One-way from

$326
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$1,037
From Oakland to Barcelona
Search Deals
One-way flight from Oakland to Barcelona
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($230 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from Oakland to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 9/20

5:00 pm-11:10 am

2 stops57h 10m

Barcelona-El Prat

Wed 9/30

1:20 pm-11:59 pm

2 stops19h 39m

$727

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 11/22

5:05 pm-12:15 pm

2 stops34h 10m

Barcelona-El Prat

Thu 11/26

11:15 am-11:56 pm

2 stops45h 41m

$730

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Tue 9/22

5:00 pm-8:35 am

2 stops30h 35m

Barcelona-El Prat

Mon 9/28

11:10 am-4:20 pm

2 stops38h 10m

$732

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Wed 10/14

5:02 pm-11:10 am

2 stops33h 08m

Barcelona-El Prat

Fri 11/6

10:30 am-9:58 pm

2 stops20h 28m

$766

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Tue 9/22

5:00 pm-8:35 am

2 stops30h 35m

Barcelona-El Prat

Sat 9/26

3:15 pm-11:59 pm

2 stops41h 44m

$789

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 9/19

5:00 pm-8:35 am

2 stops30h 35m

Barcelona-El Prat

Sat 9/26

3:15 pm-11:59 pm

2 stops41h 44m

$789

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 9/20

5:00 pm-11:10 am

2 stops57h 10m

Barcelona-El Prat

Sat 9/26

3:15 pm-11:59 pm

2 stops41h 44m

$789
Quickest round-trip

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 9/13

5:00 pm-6:50 pm

2 stops16h 50m

Barcelona-El Prat

Tue 9/29

6:20 am-4:20 pm

2 stops19h 00m

$817

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 9/26

6:00 am-8:35 am

2 stops41h 35m

Barcelona-El Prat

Sat 10/10

3:15 pm-4:22 pm

2 stops34h 07m

$875

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 9/27

6:00 am-8:35 am

2 stops41h 35m

Barcelona-El Prat

Sat 10/10

3:15 pm-4:22 pm

2 stops34h 07m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Oakland to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Oakland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oakland to Barcelona

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Oakland to Barcelona?

    Oakland (OAK), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Oakland to Barcelona. 0 airlines have flights from Oakland to Barcelona on a regular basis. Booking flights from Oakland to Barcelona should not be difficult; the airport handles an average of 0 outbound flights to Barcelona per day.

  • How long is the flight from Oakland, California to Barcelona?

    Airlines like Delta fly from Oakland, California to Barcelona in about 57h 10m. The time it takes to get you to your destination can typically vary by up to . The distance between Oakland, California and Barcelona is about 5942 mi.

  • Can I find deals for flights from Oakland to Barcelona that include hotel bookings?

    Yes. In addition to deals on Oakland to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Barcelona.

  • Can I find deals for business class flights from Oakland to Barcelona?

    Yes. Cheapflights offers flight deals from Oakland to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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